borgend.py

Sun, 04 Feb 2018 01:36:59 +0000

author
Tuomo Valkonen <tuomov@iki.fi>
date
Sun, 04 Feb 2018 01:36:59 +0000
changeset 102
0d43cd568f3c
parent 92
a1d3721ef5fa
permissions
-rwxr-xr-x

Changed scheduler busylooping method, and decreased precision to 5 minutes:
if there are finite-horizon events in the queue, the scheduler thread will never
sleep longer than that. This is to quickly get back on track with the schedule
when the computer wakes up from sleep, if the sleep monitor is not working or
is not implemented for the particular operating system. However, if there are
only infinite-horizon events in the queue (meaning, DreamTime-scheduled events,
and the system is sleeping or "sleeping"), the scheduler will also sleep.
Hopefully this will also help the system stay properly asleep.

#!/usr/local/bin/python3
#
# Borgend by Tuomo Valkonen, 2018
#

# Common modules
import os
import sys
import argparse
import platform
import logging
# Own modules needed at this stage
import borgend.branding as branding
import borgend.locations as locations

#
# Argument processing
#

epilog_format="""
Configuration file location:

    %s

Log directory:

    %s/
 """

parser=argparse.ArgumentParser(
    description=branding.appname_stylised + ": BorgBackup scheduler, queue, and tray icon.",
    epilog=epilog_format % (locations.cfgfile, locations.logs_dir),
    formatter_class=argparse.RawDescriptionHelpFormatter)

parser.add_argument(
    '--no-tray',
    dest='notray',
    action='store_true',
    help='Do not show the tray icon')

parser.add_argument(
    '--debug',
    dest='debug',
    action='store_true',
    help='Set logging level to debug')

args=parser.parse_args()

#
# Done parsing args, import our own modules, and launch everything
#

import borgend.config as config
import borgend.dreamtime as dreamtime
import borgend.loggers as loggers
from borgend.scheduler import Scheduler
from borgend.repository import Repository
from borgend.backup import Backup

logger=loggers.mainlogger

if args.debug:
    logger.setLevel(logging.DEBUG)

tray = None
repos=[]
backups=[]

try:
    dreamtime.start_monitoring()

    scheduler = Scheduler()
    scheduler.start()

    repoconfigs=config.settings['repositories']

    logger.info('Initialising repositories')
    for i in range(len(repoconfigs)):
        r=Repository(i, repoconfigs[i])
        repos.append(r)

    backupconfigs=config.settings['backups']

    logger.info('Initialising backups')
    for i in range(len(backupconfigs)):
        b=Backup(i, backupconfigs[i], scheduler)
        backups.append(b)

    if args.notray or platform.system()!='Darwin':
        # Wait for scheduler to finish
        run=scheduler.join
    else:
        # This is needed for Ctrl+C to work.
        # TODO: proper exit handler, which seems to require
        # ditching/forking/extending rumps to extend the NSApp class
        from PyObjCTools.AppHelper import installMachInterrupt
        installMachInterrupt()
        # Start UI, and let it handle exit control
        from borgend.ui import BorgendTray
        tray=BorgendTray(backups);
        run=tray.run

    for r in repos:
        r.start()

    for b in backups:
        b.start()

    run()

except Exception as err:
    # TODO: Should write errors here to stderr;
    # perhaps add an extra stderr logger for error level messages
    logger.exception("Exception fell through: exiting")

finally:
    logger.debug("Exiting")

    for b in backups:
        b.terminate()

    for r in repos:
        r.terminate()

    if tray:
        tray.quit()
    else:
        logging.shutdown()

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